GOVERNMENT OF INDIA

O/O DIRECTOR GENERAL OF CIVIL AVIATION

AV 15013/3/97-AS

AIR SAFETY CIRCULAR 3 OF 98

Subject: Met. briefing and weather assessment prior to departure.

Recently one of the airlines aircraft was involved in accident during the monsoon conditions wherein the pilot lost the aircraft control while encountering severe weather conditions soon after take off and crashed into sea. Non availability of the latest weather to the pilot is considered to be the contributory factor to the accident. Investigation has revealed that the meteorological briefing, obtained by the airlines personnel which was passed to the pilot, was 3 hours prior to commencing the flight and it was not updated to the current met. data prior to departure.

All the operators are required to implement the following recommendations made in the report of the accident mentioned above to prevent such recurrences in future.

1. The operators should ensure that their flight despatchers/flight crew obtained the latest meteorological briefing prior to departure of flight as per laid down procedures.

2. The operators should advise their pilots to assess the weather before take off to avoid the possibility of entering into severe weather conditions. The operator may include in their Operation Manual necessary guidelines in this regard.

All operators are advised to bring this circular to the notice of their flight crew/flight despatchers for the strict compliance. Incharge of operations/Incharge of Flight Safety of the organisations should ensure that these requirements are meticulously followed by the flight crew/flight despatchers.

  (V.K. Chandna)

Director Air Safety

for Director General of Civil Aviation

Distribution:

To all operators.